diff --git a/test/xml/test_schema.rb b/test/xml/test_schema.rb
index d4120b34d6e..008c4135361 100644
--- a/test/xml/test_schema.rb
+++ b/test/xml/test_schema.rb
@@ -175,6 +175,10 @@ class TestNokogiriXMLSchema < Nokogiri::TestCase
 
         assert(errors = xsd.validate(tempfile.path))
         assert_equal(2, errors.length)
+        assert_equal(
+          ["/purchaseOrder/billTo/state", "/purchaseOrder/shipTo/state"],
+          errors.map(&:path).sort,
+        )
       end
 
       it "validate_non_document" do